The backup disk image "....sparsebundle" could not be accessed (error -1)

Hi,
I just started using Time Machine with Time Capsule to backup my computers. It seems to work fine with my MacBook but I have not been able to backup my iMac. They are both on the same network. As far as I can tell, the settings are the same on both machines. When I do the initial backup on the iMac, I get this error message:
The backup disk image “/Volumes/time capsule/bill’s iMac_0026080c21e8.sparsebundle” could not be accessed (error -1).
Any ideas about what I am doing wrong would be appreciated.
Thanks.

I had the same problem and it appears that the advice 'rename your computer's name in system prefs -> sharing to something less than 25 chars and no special chars / no spaces did the trick ...
actually .. it did not .. it was trying to create a new sparsebundle ... and it came back with the same error ... the TC has been used by a different mac for 2.5 years by now, with no issue .. i should be able to back up a second mac there, right ?

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HT1218 What fix works for 'the backup disk image X could not be accessed (error-1)?

Our backup fails every time and leaves the message: The backup disk image "X" could not be accessed (error -1).
The Mac Help options all look like solutions to other problems.
How do you fix this?

Reboot the Time Capsule.

How to fix this error message The backup disk image "/Volumes/AirPort Disk/FARES DEL VALLE's iMac.sparsebundle" could not be accessed (error -1).

how to fix this error message The backup disk image “/Volumes/AirPort Disk/FARES DEL VALLE’s iMac.sparsebundle” could not be accessed (error -1).

The troubleshooting C17 is the specific article.
http://pondini.org/TM/Troubleshooting.html
This is generally a Lion error.. and you will need 5.6 utility to get access to the disk area.
So download the real utility. Run it instead of v6 toy version.
http://support.apple.com/kb/DL1482
Go to the manual setup, disk page and click on disconnect all users.. that will unmount all users connected to the disk and allow it to start working. But there are a number of other issues that are possible cause. Pondini lists some of them.

HT3275 For the past several days, I have been getting this message during backups: Time Machine could not complete the back up. The backup disk image "Volumes/Data/iMac.sparsebundle" could not be accessed (error-1).

For the past several days, I have been getting this message during backups:
Time Machine could not complete the back up. The backup disk image "Volumes/Data/bhoppy2's iMac.sparsebundle" could not be accessed (error-1). When I click on the 'help' icon on the message, it reverts to a blank page, and I cannot find anything online regarding the term 'sparsebundle.' In addition, I cannot access previous backups any longer.
Help?

See C17 in Time Machine Troubleshooting by Time Machine guru Pondini:
http://pondini.org/TM/Troubleshooting.html

HT3546 I get an error when trying to back up on my TC. Message says - The backup disk image "/Volumes/Data/Macintosh.sparsebundle" could not be accessed (error -1).

I get an error when trying to back up on my TC. Message says - The backup disk image “/Volumes/Data/Macintosh.sparsebundle” could not be accessed (error -1).
Any suggestions

See here...
https://discussions.apple.com/message/20933934#20933934

HT201514 When I try to back up ,I get the error message:The backup disk image "/Volumes/Data/ iMac.sparsebundle" could not be accessed (error -1).

When I try to backup I get the error message.The backup disk image"/Volumes/Data/iMac.sparsebundle" could not be accessed(error-1) Any Ideas? it was working fine and i can't think of any changes I made to the system to affect this?

Start with the best resource available..... Time Machine --- Troubleshooting from Pondini, the wizard of all things Time Machine.
" . . . sparse bundle could not be accessed (error -1)"

HT3275 Hi, I have backed up 2 IMACs and one Mac Book Pro but for some reason, the 3rd IMAC come up with this problem: The backup disk image "/Volumes/Data/Anthony's iMac.sparsebundle" could not be accessed (error -1). Why? They computer system is up to da

Hi, I have backed up 2 IMACs and one Mac Book Pro but for some reason, the 3rd IMAC come up with this problem: The backup disk image “/Volumes/Data/Anthony’s iMac.sparsebundle” could not be accessed (error -1). Why? The computer system is up to date and I have had no issue with the other computers, just this one.
Many thanks
Anthony

Try this Discussion...
https://discussions.apple.com/message/18783684#18783684

I get an error message when running a back-up from my Macbook Pro: The backup disk image Macbook.sparsebundle could not be accessed (error-1) and the backup did not complete? What is the issue?

I get an error message when running a back-up from my Macbook Pro: The backup disk image Macbook.sparsebundle could not be accessed (error-1) and the backup did not complete? What is the issue?

Try Here > http://pondini.org/TM/C12.html
More Info here > http://pondini.org/TM/Time_Capsule.html

HT3275 The backup disk image "/Volumes/Ana M. Hernandez, DO's Time/Ana M. Hernandez, DO.sparsebundle" could not be accessed (error -1).

I am unable to complete a backup and I get this message The backup disk image “/Volumes/Ana M. Hernandez, DO's Time/Ana M. Hernandez, DO.sparsebundle” could not be accessed (error -1). I have tried to find help but I can't find it in the apple site. I'm not very techy at troubleshooting and don;t want to dlo anything that will worsen the problem without advice. Thank you.

Reboot the Time Capsule.. Lion has terrible networking issues with the TC and has simply forgotten where it is.
Check C17 for some other issues.. there is some other things that cause it. And you can do a disconnect all users if you have the right utility.
http://pondini.org/TM/Troubleshooting.html

What does this mean and how do I fix it?The backup disk image "/Volumes/renee's Time Capsu/Renee's iMac.sparsebundle" could not be accessed (error -1).

Can anyone tell me how to fix this error message that comes up...
the backup disk image "/volumes/renee'stime capsu/renee's imac.sparsebundle" could not be accessed (error -1).
Thank you in advance

Please visit Pondini's Time Machine FAQ for help with all things Time Machine.

Since upgrading to Lion, my time machine backups are failing - error message: The backup disk image "/Volumes/Jackie Scanlon's Time Caps/Jacqueline Drabczynska's MacBook.sparsebundle" could not be accessed (error -1). Any ideas?

Since upgrading my Macbook to Lion, the time machine backups are failing - error message: "The backup disk image “/Volumes/Jackie Scanlon's Time Caps/Jacqueline Drabczynska’s MacBook.sparsebundle” could not be accessed (error -1)." I have rebooted the TIme Capsule and it worked OK, but don't want to do that every time. Any suggestions? Thanks

Any new info on this?
I had the exact same problem and went crazy and spent a hecka lot of time trying to deal with my brand new 2TB Time Capsule and almost brand new MacBook Pro. Then I thought I fixed it...and I tried SO MANY things, I don't really know what did it...except taking out any apostrophe's in names of stuff that Apple puts in there...BUT...now it's back.
Grrr...

Error: the backup disk image "/Volumes/Data/David's MacBook Air.sparsebundle" could not be accessed (error -1).

okay all of a sudden my TC 2 TB is not backing up.
O/S Lion
macbook air late 2011 model
error: he backup disk image “/Volumes/Data/David’s MacBook Air.sparsebundle” could not be accessed (error -1).
i don't see a sparse bundle file by name per se anywhere.
Also what is new: as soon as time machine auto kicks off or I manual kick it of, it opens a new window which contains one folder (my backup fies from other days) the files are "there", but I cannot successfully back up now?
i don't see a sparse bundle file by name per se anywhere.
Also what is new: as soon as time machine auto kicks off or I manual kick it of, it opens a new window which contains one folder (my backup fies from other days) the files are "there", but I cannot successfully back up now???

New 2 tb time capsule with air extreme built in. I can surf the net wirelessly through this device. And it had been backing up all along then a few days ago it stopped and reported that error.

I get an error mess when trying to complete backup "The backup disk image "/Volumes Time Capsul MacBook Pro.sparsebundle" could not be accessed (error -1).

When trying to use my time machine got an error message "Time Machine could not complete the backup.
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Any ideas?

I have not found a long-term solution (fix), but in my case the volume where the Time Machine backup should occur usually is mounted on the desktop but not as a shared volume (incidated as a drive with the people holding hands superimposed over the drive icon). If I drag the drive to the trash (unmount it), the next time Time Machine is scheduled to run, it completes successfully.

I keep getting the message "The backup disk image "/Volumes/Donald Baker's Time Capsul/Donald Baker's iMac.sparsebundle" could not be accessed (error -1). does anyone know what this means? My time capsule refuses to back up.

I keep getting the message "The backup disk image “/Volumes/Donald Baker's Time Capsul/Donald Baker’s iMac.sparsebundle” could not be accessed (error -1). does anyone know what this means? My time capsule refuses to back up.

Time Capsule and Time Machine master guru Pondini has all the answers.
Check # C17 in his excellent support document Time Machine -- Troubleshooting.
http://Pondini.org/TM/Troubleshooting.html

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See #C17 in Time Machine -- Troubleshooting by Pondini, our resident expert on Time Machine.
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Time Capsule Help: The backup disk image "XYZ.sparsebundle" could not be accessed (error -1).

My time capsule hasn't been working for months now. Finally got around to looking into the problem. Have tried looking on forums -- most solutions point to Pondini.org. I've tried #17, which is related to my specific error with no avail (including using Airport Utility 5.6 to disconnect all users).
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Thoughts?

Try Here > http://pondini.org/TM/C12.html
More Info here > http://pondini.org/TM/Time_Capsule.html

The backup disk image "....sparsebundle" could not be accessed (error -1)

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